A research team said it has discovered the oldest known pachycephalosaur, the so-called head-butting group of dinosaurs distinguished by their thick,...

A specimen discovered in Mongolia is the most complete fossil yet found of a pachycephalosaur, a dinosaur believed to be built for head-butting.

This week, scientists digging in Mongolia’s Gobi Desert have discovered a new species of pachycephalosaur that pushes back their emergence by 15...

This week, scientists digging in Mongolia’s Gobi Desert have discovered a new species of pachycephalosaur that pushes back their emergence by 15...

They went through that adventure just like we do, and they probably behaved just as badly. We're talking, of course, about the puberty process in the...

They went through that adventure just like we do, and they probably behaved just as badly. We're talking, of course, about the puberty process in...

They went through that adventure just like we do, and they probably behaved just as badly. We're talking, of course, about the puberty process in...

Eighty-five million years ago, dinosaurs roamed a world filled with dramatic changes. Volcanoes erupted frequently, oceans lost oxygen in some...

Eighty-five million years ago, dinosaurs roamed a world filled with dramatic changes. Volcanoes erupted frequently, oceans lost oxygen in some...

WASHINGTON, Sept 18 (Reuters) - Amber found in the Amazon forest region of Ecuador containing a trove of well-preserved fossils of wasps, midges,...